Section 811.861. Alum or other coagulant sludge.

Latest version.

Alum or other coagulant sludge shall be disposed of by the following methods:

(1) Lagoons. The general design criteria for lagoons is in s. NR 811.858 (1) .

(2) Discharge to sanitary sewers. Discharge to sanitary sewers may be utilized if a study or experience has shown that problems will not occur in the sewage collection system or at the sewage treatment plant. A holding tank may be necessary to even out flows to the sewer system. The radionuclide content of the sludge shall comply with s. NR 811.856 .

(3) Mechanical dewatering. Mechanical dewatering may be utilized if approved by the department after review of the results of testing.

(4) Supernatent water . Any thickener supernatant or liquids from dewatering processes to be recycled shall meet the requirements of s. NR 811.862 .

History: CR 09-073 : cr. Register November 2010 No. 659 , eff. 12-1-10.

                    
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